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      1 /*
      2  * Copyright (c) 2009-2012 jMonkeyEngine
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * * Redistributions of source code must retain the above copyright
     10  *   notice, this list of conditions and the following disclaimer.
     11  *
     12  * * Redistributions in binary form must reproduce the above copyright
     13  *   notice, this list of conditions and the following disclaimer in the
     14  *   documentation and/or other materials provided with the distribution.
     15  *
     16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
     17  *   may be used to endorse or promote products derived from this software
     18  *   without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 package com.jme3.app;
     33 
     34 import com.jme3.app.state.AbstractAppState;
     35 import com.jme3.app.state.AppStateManager;
     36 import com.jme3.input.FlyByCamera;
     37 
     38 
     39 /**
     40  *  Manages a FlyByCamera.
     41  *
     42  *  @author    Paul Speed
     43  */
     44 public class FlyCamAppState extends AbstractAppState {
     45 
     46     private Application app;
     47     private FlyByCamera flyCam;
     48 
     49     public FlyCamAppState() {
     50     }
     51 
     52     /**
     53      *  This is called by SimpleApplication during initialize().
     54      */
     55     void setCamera( FlyByCamera cam ) {
     56         this.flyCam = cam;
     57     }
     58 
     59     public FlyByCamera getCamera() {
     60         return flyCam;
     61     }
     62 
     63     @Override
     64     public void initialize(AppStateManager stateManager, Application app) {
     65         super.initialize(stateManager, app);
     66 
     67         this.app = app;
     68 
     69         if (app.getInputManager() != null) {
     70 
     71             if (flyCam == null) {
     72                 flyCam = new FlyByCamera(app.getCamera());
     73             }
     74 
     75             flyCam.registerWithInput(app.getInputManager());
     76         }
     77     }
     78 
     79     @Override
     80     public void setEnabled(boolean enabled) {
     81         super.setEnabled(enabled);
     82 
     83         flyCam.setEnabled(enabled);
     84     }
     85 
     86     @Override
     87     public void cleanup() {
     88         super.cleanup();
     89 
     90         flyCam.unregisterInput();
     91     }
     92 
     93 
     94 }
     95